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Finding the Fourth Proportional to 177,788.60, 267,266.10 and 125,559.80

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Solution

The fourth proportional to 177,788.60, 267,266.10 and 125,559.80 is: 188,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,788.60 : 267,266.10 = 125,559.80 : x
  2. Step 2: Convert to fraction form
    177,788.60/267,266.10 = 125,559.80/x
  3. Step 3: Cross multiply
    177,788.60x = 267,266.10 × 125,559.80
  4. Step 4: Simplify right side
    177,788.60x = 33,557,878,062.78
  5. Step 5: Solve for x
    x = 33,557,878,062.78/177,788.60
  6. Step 6: Final answer
    x = 188,751.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.